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PO401 EGR flow fault



 
 
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  #1  
Old September 18th 06, 06:22 PM posted to rec.autos.makers.honda
Michael Frohlich
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Posts: 8
Default PO401 EGR flow fault

What's the best way and or cheapest way to fix my 1997 Honda Accord EX v6
PO401 EGR flow fault? Can the EGR valve be cleaned instead of replaced or
could a vacuum leak cause the fault?


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  #2  
Old September 18th 06, 10:00 PM posted to rec.autos.makers.honda
Doug B
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Posts: 27
Default PO401 EGR flow fault

Michael Frohlich wrote:
> What's the best way and or cheapest way to fix my 1997 Honda Accord EX v6
> PO401 EGR flow fault? Can the EGR valve be cleaned instead of replaced or
> could a vacuum leak cause the fault?
>


My '98 Odyssey (VTEC 4) is showing the same code.


  #3  
Old September 25th 06, 03:52 PM posted to rec.autos.makers.honda
TE Chea
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Posts: 94
Default PO401 EGR flow fault

| Can the EGR valve be cleaned instead of replaced or
| could a vacuum leak cause the fault?

http://www.autozone.com/servlet/UiBr...ginRepairGuide


  #4  
Old September 25th 06, 07:25 PM posted to rec.autos.makers.honda
Doug B
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Posts: 27
Default PO401 EGR flow fault

TE Chea wrote:
> http://www.autozone.com/servlet/UiBr...ginRepairGuide
>


Good idea, but no help if your Honda was made after 1995.


  #5  
Old September 26th 06, 07:59 AM posted to rec.autos.makers.honda
hellranter
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Posts: 6
Default PO401 EGR flow fault

Most VTEC Hondas have trouble with blockage in the EGR supply pipe. This is
usually caused by corrosion, and often times the pipe itself has to be
replaced. It has nothing to do with the EGR valve...their failure rate is
almost non-existent.

J

Michael Frohlich wrote:
>What's the best way and or cheapest way to fix my 1997 Honda Accord EX v6
>PO401 EGR flow fault? Can the EGR valve be cleaned instead of replaced or
>could a vacuum leak cause the fault?


  #6  
Old September 26th 06, 03:55 PM posted to rec.autos.makers.honda
Doug B
external usenet poster
 
Posts: 27
Default PO401 EGR flow fault

hellranter wrote:
> Most VTEC Hondas have trouble with blockage in the EGR supply pipe. This is
> usually caused by corrosion, and often times the pipe itself has to be
> replaced. It has nothing to do with the EGR valve...their failure rate is
> almost non-existent.
>


Is cleaning or replacing the EGR supply pipe a DIY-able task?
 




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